diff --git a/pkgs/development/interpreters/bqn/cbqn/default.nix b/pkgs/development/interpreters/bqn/cbqn/default.nix
index 6bdcca127458..44d63ace738b 100644
--- a/pkgs/development/interpreters/bqn/cbqn/default.nix
+++ b/pkgs/development/interpreters/bqn/cbqn/default.nix
@@ -11,21 +11,21 @@ let
     name = "cbqn-bytecode-files";
     owner = "dzaima";
     repo = "CBQN";
-    rev = "4d23479cdbd5ac6eb512c376ade58077b814b2b7";
-    hash = "sha256-MTvg4lOB26bqvJTqV71p4Y4qDjTYaOE40Jk4Sle/hsY=";
+    rev = "db686e89d4d2e9bfac3dddf306dff890135b2de1";
+    hash = "sha256-RJ751jCsAGjqQx3V5S5Uc611n+/TBs6G2o0q26x98NM=";
   };
 in
 assert genBytecode -> ((bqn-path != null) && (mbqn-source != null));
 
 stdenv.mkDerivation rec {
   pname = "cbqn" + lib.optionalString (!genBytecode) "-standalone";
-  version = "0.pre+date=2021-10-20";
+  version = "0.pre+date=2021-11-06";
 
   src = fetchFromGitHub {
     owner = "dzaima";
     repo = "CBQN";
-    rev = "f50b8ab503d05cccb6ff61df52f2625df3292a9e";
-    hash = "sha256-pxToXVIKYS9P2TnGMGmKfJmAP54GVPVls9bm9tmS21s=";
+    rev = "cd866e1e45ce0f22bfacd25565ab912c06cb040f";
+    hash = "sha256-XuowrGDgrttRL/SY5si0nqHMKEidSNrQuquxNdBCW8o=";
   };
 
   dontConfigure = true;
diff --git a/pkgs/development/interpreters/bqn/mlochbaum-bqn/default.nix b/pkgs/development/interpreters/bqn/mlochbaum-bqn/default.nix
index 86a07e8e9846..fd0ff51c0eb1 100644
--- a/pkgs/development/interpreters/bqn/mlochbaum-bqn/default.nix
+++ b/pkgs/development/interpreters/bqn/mlochbaum-bqn/default.nix
@@ -7,13 +7,13 @@
 
 stdenvNoCC.mkDerivation rec {
   pname = "bqn";
-  version = "0.pre+date=2021-10-21";
+  version = "0.pre+date=2021-11-08";
 
   src = fetchFromGitHub {
     owner = "mlochbaum";
     repo = "BQN";
-    rev = "e4edda2a8cf2309b77808cc749a8e6ff8a282b17";
-    hash = "sha256-wCpwFV9AI0bfDQX9ARWHkTICmNnRu4vBACXBTM/RNeM=";
+    rev = "5c68173276c1c1b136a7eda3ad8f4423ab0ee9d0";
+    hash = "sha256-e0P1I8I/J41Hk7Edb4uKCdx30Azkiheq014kSZzJ8yg=";
   };
 
   nativeBuildInputs = [ makeWrapper ];